coming up, a sneak peek at the three new movies to hit the big screen. first, here's a look at what's hot on nbcwashington.com. >>> i can't promise anyone a ride home, but if you're with me, the world needs you now. >> new in theaters this holiday weekend, josh duhammel and shia labeouf return to "transformers: dark of the moon." the transformers alone will not be able to save us. "transformers: dark of the moon" is rated pg-13. >> you ready to go to work? >> tom hanks goes back to school in "larry crowne." he's a middle-aged guy who's lost his job, so he decides to enroll in community college, where he meets a frustrated teacher plaid by julia roberts. "larry crowne" is rated pg-13. >> a 26-pound lobster. >> i shall take it in my room. >> and in "monte carlo," a girl, her best friend, and her future stepsister travel to paris when one of the girls is mistaken for a spoiled rich heiress. they're then caught up in a whirlwind of attention and are caught up in a dream vacation. sounds like fun! >>> coming up, new laws go into effect today. we break down th